542072 has 8 divisors (see below), whose sum is σ = 1016400. Its totient is φ = 271032.

The previous prime is 542071. The next prime is 542081. The reversal of 542072 is 270245.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33872 + ... + 33887.

It is an arithmetic number, because the mean of its divisors is an integer number (127050).

2⁵⁴²⁰⁷² is an apocalyptic number.

It is an amenable number.

542072 is a deficient number, since it is larger than the sum of its proper divisors (474328).

542072 is a wasteful number, since it uses less digits than its factorization.

542072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67765 (or 67761 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 542072 is about 736.2553904726. The cubic root of 542072 is about 81.5365487771.

The spelling of 542072 in words is "five hundred forty-two thousand, seventy-two".